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COMSPHERE 3800 Series Modems
3-2 November 1996 3810-A2-GB30-20
496-13155-02
TXD
RXD
RTS
CTS
DSR
DTR
LSD
103
104
105
106
107
108
109
Pwr
Alrm
Test
Dial
RI
Busy
Serv
SQ
Status
Front Panel
3811
142
125
Spkr
FACEPLATE
EIA-232/V.24
EDGE CARD
CONNECTOR
RS-366A/V.25
EDGE CARD
CONNECTOR
EIA-232/V.24
CONNECTOR
RS-366A/V.25
CONNECTOR
V.35
(3600/3500)
RS366A/V.25
(3800)
EIA232/V.24
REAR
CONNECTOR
PLATE
Figure 3-1. Model 3811
Model 3811 Installation
The
Model 381
1 is designed for installation in a
COMSPHERE 3000 Series Carrier which supplies
operating power and the dial and/or leased-line network
connections.
For correct power, DTE, dial-line,
leased-line, NIM, and network management cabling
information, refer to the
COMSPHERE 3000 Series
Carrier, Installation Manual.
The COMSPHERE 3000 Series Carrier has 17 slots
which can hold up to 16 modems and one Shared
Diagnostic Unit (SDU). The SDU is required when the
modems in the carrier are controlled by an NMS, or when
multiple carriers in a cabinet configuration are to be
controlled by a single shared diagnostic control panel
(SDCP). The SDCP of the COMSPHERE 3000 Series
Carrier is the user interface to the Model 3811 modem. A
single SDCP can control up to eight carriers containing up
to 128 compatible modems.